Plantronics - Blackwire 3220 - Wired Dual-Ear (Stereo) Headset with Boom Mic - USB-C to connect to your PC or Mac : Amazon.co.uk: Musical Instruments & DJ
Amazon.com: Plantronics - Blackwire 3210 - Wired, Single Ear (Monaural) Headset with Boom Mic - USB-A to connect to your PC and/or Mac : Everything Else
Plantronics Blackwire 3220 USB Over-the-Ear Headset Volume Control - Black PLT 17229162747 | eBay